What is the anatomical position?
Standing, facing forward, arms at sides, palms forward
Lying face down
Sitting with arms crossed
Sitting with palms backward
The Correct Answer is A
A. Standing, facing forward, arms at sides, palms forward: The anatomical position is the standard reference posture: standing erect, facing forward, arms at sides with palms facing anteriorly.
B. Lying face down: This is the prone position, not the anatomical position.
C. Sitting with arms crossed: This is a nonstandard posture and not used as the anatomical reference.
D. Sitting with palms backward: Anatomical position specifies standing and palms facing forward, not sitting with palms backward.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Ectoderm: The ectoderm gives rise to the nervous system (including the brain and spinal cord) and epidermis.
B. Endoderm: The endoderm forms internal linings of the gut and associated organs (e.g., liver, lungs), not primary nervous tissue.
C. Mesoderm: The mesoderm produces muscle, bone, and the circulatory system, among other structures.
D. Epithelium: Epithelium is a tissue type, not a germ layer; epithelial tissues arise from one or more germ layers.
Correct Answer is B
Explanation
A. Respiration: Respiration (gas exchange) is a physiological function of the lungs and blood, not the primary role of gut microbes.
B. Digestion and immune function: Gut microbiota help digest complex carbohydrates, produce metabolites (e.g., short-chain fatty acids), synthesize some vitamins, and shape immune development and responses.
C. Oxygen transport: Oxygen transport is performed by hemoglobin in red blood cells, not by gut microbes.
D. Vision: Vision is a function of the eyes and nervous system and is not a role of gut microbiota.
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